DAC3152_15 Datasheet, PDF (16/31 Pages) Texas Instruments – Dual-Channel, 10-/12-Bit, 500-MSPS Digital-to-Analog Converters (DACs)

DAC3152
DAC3162
SLAS736D – NOVEMBER 2010 – REVISED AUGUST 2012
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A single-ended clock, such as a clean sinusoid or a 1.8 V LVCMOS signal (for low-rate operation), can also be
used to drive the clock if configured as in the input circuits of Figure 36 and Figure 37.
C_AC
0.1 µF
1:4
Optional, may be bypassed
for sine-wave input
RT
200 Ω
DACCLKP
DACLCKN
Figure 36. Clock Input Configuration Using 50-Ω Cable Input
TTL/CMOS
source
Ropt
22 Ω
CAC
0.01 µF
1:1
Optional, reduces
clock feedthrough
DACCLKP
DACLCKN
TTL/CMOS
source
Ropt
22 Ω
0.01 µF
DACCLKP
DACLCKN
Figure 37. Clock Input Configuration With a Single-Ended TTL/CMOS Clock
16
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